Generate Txt File on clicked in ax 2012

void clicked()
{
     LedgerJournalTrans   ledgerJournalTrans1;
    BinData     binData;
    TextBuffer  textBuffer;
    ;

    textBuffer = new TextBuffer();
    textBuffer.setText('');
        ledgerJournalTrans1 = LedgerJournalTrans_ds.getFirst(1);
    while(ledgerJournalTrans1) //where custTable.AccountNum < '40020'
    {

        textBuffer.appendText(strfmt('%1 %2 %3 %4 %5',ledgerJournalTrans1.LedgerDimension, ledgerJournalTrans1.Txt, ledgerJournalTrans1.AmountCurDebit, ledgerJournalTrans1.OffsetAccountType, ledgerJournalTrans1.OffsetLedgerDimension));
        ledgerJournalTrans1 = LedgerJournalTrans_ds.getNext();
    }

    textBuffer.getText();

    binData = new BinData();
    binData.setStrData(textBuffer.getText());
    binData.saveFile(@"d:\iban.txt");

}